Dried matrix spots in forensic toxicology.

Area of Science:

• Forensic Toxicology
• Analytical Chemistry

Background:

• Dried matrix spots (DMS) are increasingly utilized in various scientific fields, notably toxicology.
• Their application in forensic toxicology for analyzing illicit substances is of significant interest.

Purpose of the Study:

• To provide an overview of analytical methodologies using DMS for drugs of abuse.
• To discuss the particularities, limitations, and achievements of DMS in forensic applications.

Main Methods:

• Review of analytical methodologies involving dried matrix spots.
• Focus on applications for drugs of abuse analysis in forensic toxicology.

Main Results:

• DMS techniques offer advantages such as minimal sample and solvent volumes, leading to simple and rapid extraction.
• Analyte stability is enhanced, improving sample storage and transportation.
• Limitations include hematocrit influencing accuracy and inconsistencies in sample spotting and internal standard addition.

Conclusions:

• DMS presents a valuable tool for forensic toxicologists analyzing drugs of abuse.
• Addressing limitations related to accuracy and standardization is crucial for wider adoption.